/Engine/Source/Editor/StaticMeshEditor/Public/StaticMeshEditorSubsystem.h
Same as SetLodsWithNotification but changes are applied.
int32 SetLods ( [UStaticMesh](API\Runtime\Engine\Engine\UStaticMesh) * StaticMesh, const [FStaticMeshReductionOptions](API\Editor\StaticMeshEditor\FStaticMeshReductionOptions) & ReductionOptions )